1901-2000 Inches 1 1.66 2.78 -1.12 13 117 1987 1900 1948 1956 bottom-tenth 1905 2 3.73 6.08 -2.35 4 126 1980 1900 1940 1956 bottom-tenth 3 6.70 9.58 -2.88 6 123 1980 1900 1948 1956 bottom-tenth 4 9.81 13.50 -3.69 6 123 1940 1984 1948 1956 bottom-tenth 5 12.65 17.21 -4.56 9 120 1948 2006 1948 1956 bottom-tenth 6 16.15 20.91 -4.76 8 121 1948 2006 1948 1956 bottom-tenth 7 19.27 24.42 -5.15 7 122 1948 2006 1948 1956 bottom-tenth 8 23.11 28.20 -5.09 8 121 1948 2006 1948 1956 bottom-tenth 9 25.91 31.94 -6.03 7 122 1948 2006 1948 1956 bottom-tenth 10 29.06 35.34 -6.28 7 122 2002 2006 1940 1956 bottom-tenth 11 32.32 38.65 -6.33 11 118 2002 2006 1956 1955 bottom-tenth 1940 12 35.92 41.99 -6.07 13 116 2002 2006 1950 1956 bottom-tenth 18 52.13 62.87 -10.74 5 123 2002 2007 1912 1956 bottom-tenth 24 72.22 83.96 -11.74 6 122 1966 2007 1912 1956 bottom-tenth 36 130.70 125.88 4.82 75 52 1967 2008 1951 1956 normal 48 177.35 167.88 9.47 90 36 1968 2009 1953 1956 top-third 60 215.00 209.81 5.19 72 53 1969 2010 1953 1956 normal